135448975875 has 32 divisors (see below), whose sum is σ = 225433615680. Its totient is φ = 72224544000.

The previous prime is 135448975843. The next prime is 135448975897. The reversal of 135448975875 is 578579844531.

It is not a de Polignac number, because 135448975875 - 2⁵ = 135448975843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1918705 + ... + 1988045.

It is an arithmetic number, because the mean of its divisors is an integer number (7044800490).

Almost surely, 2^135448975875 is an apocalyptic number.

135448975875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135448975875 is a deficient number, since it is larger than the sum of its proper divisors (89984639805).

135448975875 is an equidigital number, since it uses as much as digits as its factorization.

135448975875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74568 (or 74558 counting only the distinct ones).

The product of its digits is 169344000, while the sum is 66.

The spelling of 135448975875 in words is "one hundred thirty-five billion, four hundred forty-eight million, nine hundred seventy-five thousand, eight hundred seventy-five".